Top 50
Prep plan
Updated weekly · Last refresh Aug 30

Factored Data Engineer Interview Questions

The questions to prepare for a Factored Data Engineer interview. Questions from real interview reports rank first. Updated weekly.

50questions
~7htotal time
Track your progressSign up free to work through all 50 questions and resume where you left off.
Start practicing free →
1
SQL & Data ManipulationStart here. 10 questions + 2 drills · ~106 min
2
Coding5 questions · ~43 min
Linked List ReversalEasy
Practice

Reverse a singly linked list in-place using iterative pointer manipulation.

RecursionLinked ListsArraysFactored
Live Coding LeetCode ProblemMedium

Assesses your real-time coding clarity, debugging, and correctness under pressure.

leetcodeFactored
More Coding questions with a free account

Sign up to see every question

Create a free account to unlock this list and practice real interview questions.

Get my prep plan
3
Pipelines27 questions · ~232 min
Fault Tolerance in Data PipelinesHard

Approach for building fault tolerance into a distributed data pipeline, including retries, idempotency, and recovery controls.

InfrastructureIdempotencyQualityFactored
Batch vs Stream Processing Trade-offsMedium

Compare batch and stream processing across latency, complexity, cost, and data quality in a modern analytics pipeline.

InfrastructureStream ProcessingETLFactored
Build a Reporting Star SchemaHard

Build and maintain a reporting model for dashboards using dimensional design, ELT, data quality checks, and scheduled transformations.

ETLData ModelingQualityFactored
More Pipelines questions with a free account
4
Behavioral & Leadership8 questions · ~69 min
More Behavioral & Leadership questions with a free account
The finish line: interview-readyComplete all 50 questions plus 2 hands-on drills to finish this plan.